docs: def line(h1: Histogram1D, **kwargs) -> dict:
      """Line plot of 1D histogram values.
  
      Points are horizontally placed in bin centers.
  
      Parameters
      ----------
      h1 : physt.histogram1d.Histogram1D
          Dimensionality of histogram for which it is applicable
      """
  
      lw = kwargs.pop("lw", DEFAULT_STROKE_WIDTH)
  
      mark_template = [{
          "type": "line",
          "encode": {
              "enter": {
                  "x": {"scale": "xscale", "field": "x"},
                  "y": {"scale": "yscale", "field": "y"},
                  "stroke": {"scale": "series", "field": "c"},
                  "strokeWidth": {"value": lw}
              }
          },
          "from": {"data": "series"},
      }]
      vega = _scatter_or_line(h1, mark_template=mark_template, kwargs=kwargs)
      return vega